Borderou de evaluare (job #378875)

Compilare: user.cpp: In function ‘int main()’: user.cpp:16:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:20:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:21:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:28:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:39:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:46:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:59:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:60:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:61:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]